EVERYDAY SCIENCE

Detailed explanation-1: -The common cuckoo is one example of a brood parasite. Such animals trick other animals into raising their young. They sneak their eggs into other parents’ nests. Brood parasites are “basically looking for foster parents, ” says Mark Hauber, a biologist.

Detailed explanation-2: -Cuckoos are parasites (of the warbler). The cuckoo benefits from the relationship, and the warbler is harmed by the relationship.

Detailed explanation-3: -An example of brood parasite is female European Cuckoos lay their eggs only in the nests of other species of birds. A cuckoo egg usually closely mimics the eggs of the host (one of whose eggs is often removed by the cuckoo).

Detailed explanation-4: -Is the cuckoo-crow relationship parasitic or mutualistic? Many species of cuckoo are brood parasites-they place their eggs in nests of other birds, often to the detriment of the host bird.